Dante Security
DN1120
DN1120 Installation Guide
DN1120 Series
02A.00
14
CONNECTIONS
9 pin terminal block
RS-485
The RS-485 serial port consists of TRX+(RX+) and TRX-(RX-) as following the following image.
RS-485 Connection
Sensor (DI) connection
provides 1 channel D/I. It can be connected to either a voltage type sensor or a relay
type sensor as the following figures. It can be selected by software.
Caution
!
Do not exceed the maximum input voltage or relay rate.
ETHERNET
Micro SD
RESET
LOOP OUT
RS-485
DO
DI
AUDIO
-
+
C
1
C
1
Out
In
TRX+(RX+)
<RS-485 Application>
+
-
TRX-(RX-)
TX+
TX-
PTZ Device
485 Device
